See also:

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

Your Responsibility
You may need to increase the volume of your radio to hear the OnStar® advisor. If the light next to the OnStar® buttons is red, this means that your system is not functioning properly and should ...

Instrument Panel Fuse Block
The instrument panel fuse block is on the driver side of the instrument panel. To access the fuses: 1. Access the fuse block by opening the storage compartment. 2. Pull straight down and out to ...